Hi! I cannot give u a diet plan here without knowing your diet schedule,time schedule and your medical history. You can consult me directly through a practo.
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Many clients of mine have gained weight with a healthy diet and without use of any supplements.
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Always remember gain weight in a healthy manner not at the cost of your health. Anybody can gain weight with a healthy diet ,supplement should come at the end if required.
Next Steps
Meet Dietician/Nutritionist for personalised diet plan if required
Health Tips
Eat healthy!! Stay healthy!! As it's the body in which u have to live in!